FAA Part 107 Drone Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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What do cumulonimbus clouds typically indicate?

Clear skies

Possible severe thunderstorms

Cumulonimbus clouds are a powerful indicator of potential severe weather, particularly thunderstorms. These clouds are tall and dense, forming as a result of strong convection and are often associated with significant weather phenomena, including heavy rain, hail, lightning, and even tornadic activity. When you see cumulonimbus clouds, it is a clear sign that atmospheric instability and moisture are present, creating the conditions necessary for severe thunderstorms.

The presence of these clouds in the sky serves as an important warning for anyone operating a drone or involved in aviation activities, as they can lead to sudden and severe changes in weather conditions, including strong gusts, heavy precipitation, and turbulent air. Thus, recognizing cumulonimbus clouds is vital for safety in both piloting and operational decision-making regarding weather conditions.

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Gentle rain

Moderate turbulent air

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